/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lvyh.lightframe.sharding.client.context;

import java.util.ArrayList;
import java.util.List;

/**
 * Implementation of multi data source switching
 *
 * @author lvyh 2021/03/20.
 */

public class MultiDataSourceHolder {

    public static final ThreadLocal<String> multiDataSourceContext = new ThreadLocal<>();

    public static List<String> multiDataSources = new ArrayList<>();

    /**
     * Is it included the data source
     */
    public static boolean contain(String datasourceId) {
        return multiDataSources.contains(datasourceId);
    }

    public static List<String> getMultiDataSources() {
        return multiDataSources;
    }

    /**
     * Gets the name of the data source
     */
    public static String get() {
        return multiDataSourceContext.get();
    }

    /**
     * Switch data sources
     */
    public static void set(String name) {
        multiDataSourceContext.set(name);
    }

    /**
     * Clear current data source
     */
    public static void remove() {
        multiDataSourceContext.remove();
    }

}
